s3-auth: Fix 'map to guest = Bad Uid' support

BUG: https://bugzilla.samba.org/show_bug.cgi?id=9862

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
(cherry picked from commit 34965d4d98d172e848e2b96fad8a9e0b99288ba7)

diff --git a/source3/auth/auth_util.c b/source3/auth/auth_util.c
index 1c2cf80ed8b81c6ef8d29923ae50af89e627f734..dcf173d74e7daaa14a236eed1069ac1eaf5f3a34 100644 (file)
--- a/source3/auth/auth_util.c
+++ b/source3/auth/auth_util.c
@@ -1397,6 +1397,14 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx,
                                     &username_was_mapped);
 
        if (!NT_STATUS_IS_OK(nt_status)) {
+               /* Handle 'map to guest = Bad Uid */
+               if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER) &&
+                   (lp_security() == SEC_ADS || lp_security() == SEC_DOMAIN) &&
+                   lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_UID) {
+                       DEBUG(2, ("Try to map %s to guest account",
+                                 nt_username));
+                       return make_server_info_guest(mem_ctx, server_info);
+               }
                return nt_status;
        }